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Finding the Fourth Proportional to 111,699.60, 167,576.73 and 61,074.19

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Solution

The fourth proportional to 111,699.60, 167,576.73 and 61,074.19 is: 91,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,699.60 : 167,576.73 = 61,074.19 : x
  2. Step 2: Convert to fraction form
    111,699.60/167,576.73 = 61,074.19/x
  3. Step 3: Cross multiply
    111,699.60x = 167,576.73 × 61,074.19
  4. Step 4: Simplify right side
    111,699.60x = 10,234,613,047.60
  5. Step 5: Solve for x
    x = 10,234,613,047.60/111,699.60
  6. Step 6: Final answer
    x = 91,626.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.